Faith

While battling a demon, Dean is electrocuted, resulting  in permanent damage to his heart and leaving him with only a couple of  months to live. A despondent Sam searches desperately  for a way to save his brother and believes he may have found an answer  through a preacher who claims to heal the incurable. However, Dean and  Sam discover that the preacher is getting help from the Grim Reaper who  is trading one life for another he feels is less worthy.